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Finding the Fourth Proportional to 7,068.04, 10,602.24 and 3,946.30

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Solution

The fourth proportional to 7,068.04, 10,602.24 and 3,946.30 is: 5,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.04 : 10,602.24 = 3,946.30 : x
  2. Step 2: Convert to fraction form
    7,068.04/10,602.24 = 3,946.30/x
  3. Step 3: Cross multiply
    7,068.04x = 10,602.24 × 3,946.30
  4. Step 4: Simplify right side
    7,068.04x = 41,839,619.71
  5. Step 5: Solve for x
    x = 41,839,619.71/7,068.04
  6. Step 6: Final answer
    x = 5,919.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.